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| author | Volker Reichelt <reichelt@igpm.rwth-aachen.de> | 2006-05-11 14:58:54 +0000 |
|---|---|---|
| committer | Volker Reichelt <reichelt@gcc.gnu.org> | 2006-05-11 14:58:54 +0000 |
| commit | 81e61fb4e6c11f360ee7cd5193fabac638ca0365 (patch) | |
| tree | 85039a42152b0b05997b4831ff6c0bef28bffe08 | |
| parent | 80cdd94a6c80c6686d39660df2234ad9e9b31ce2 (diff) | |
| download | gcc-81e61fb4e6c11f360ee7cd5193fabac638ca0365.zip gcc-81e61fb4e6c11f360ee7cd5193fabac638ca0365.tar.gz gcc-81e61fb4e6c11f360ee7cd5193fabac638ca0365.tar.bz2 | |
re PR middle-end/27488 (ICE in tree_expr_nonnegative_p)
PR middle-end/27488
* fold-const.c (tree_expr_nonnegative_p): Return early on invalid
expression.
* gcc.dg/fold-nonneg-1.c: New test.
From-SVN: r113699
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/fold-const.c | 3 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 3 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/fold-nonneg-1.c | 10 |
4 files changed, 22 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 31f6974..7d27747 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de> + + PR middle-end/27488 + * fold-const.c (tree_expr_nonnegative_p): Return early on invalid + expression. + 2006-05-11 Richard Guenther <rguenther@suse.de> PR middle-end/27529 diff --git a/gcc/fold-const.c b/gcc/fold-const.c index ce68929..80d08c7 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -11796,6 +11796,9 @@ multiple_of_p (tree type, tree top, tree bottom) int tree_expr_nonnegative_p (tree t) { + if (t == error_mark_node) + return 0; + if (TYPE_UNSIGNED (TREE_TYPE (t))) return 1; diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 036f0df..27501e4 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,5 +1,8 @@ 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de> + PR middle-end/27488 + * gcc.dg/fold-nonneg-1.c: New test. + PR c++/27547 * g++.dg/other/operator1.C: New test. diff --git a/gcc/testsuite/gcc.dg/fold-nonneg-1.c b/gcc/testsuite/gcc.dg/fold-nonneg-1.c new file mode 100644 index 0000000..03dae35 --- /dev/null +++ b/gcc/testsuite/gcc.dg/fold-nonneg-1.c @@ -0,0 +1,10 @@ +/* PR middle-end/27488 */ +/* { dg-do compile } */ + +extern double fabs(double x); +extern double sinh(double x); + +void foo() +{ + fabs(sinh(0..)); /* { dg-error "decimal points" } */ +} |